On the Connection of the Physical SciencesHarper & brothers, 1846 - 460 pages |
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Page 27
... seen nearly in the same line ( N. 88 ) ; and the powerful action of that quantity of prominent matter is the reason why the motions of the nodes of these small bodies are so much more rapid than those of the planet . The nodes of the ...
... seen nearly in the same line ( N. 88 ) ; and the powerful action of that quantity of prominent matter is the reason why the motions of the nodes of these small bodies are so much more rapid than those of the planet . The nodes of the ...
Page 31
... seen at the instant it really exists , or not till some time later : and whether there be not , with respect to the heavenly bodies , a true time and an apparent time , no less than a true place and an apparent place , as astronomers ...
... seen at the instant it really exists , or not till some time later : and whether there be not , with respect to the heavenly bodies , a true time and an apparent time , no less than a true place and an apparent place , as astronomers ...
Page 32
... seen . They move exactly at the edge of the ring , and their orbits never deviate from its plane . In 1789 , Sir William Herschel saw them , like beads , threading the slender line of light which the ring is re- duced to , when seen ...
... seen . They move exactly at the edge of the ring , and their orbits never deviate from its plane . In 1789 , Sir William Herschel saw them , like beads , threading the slender line of light which the ring is re- duced to , when seen ...
Page 39
... seen from her center under an angle of 19181 , That of the earth would appear under an angle of 6908 " -3 . So that the length of the shadow is at least three times and a half greater than the distance of the moon from the earth , and ...
... seen from her center under an angle of 19181 , That of the earth would appear under an angle of 6908 " -3 . So that the length of the shadow is at least three times and a half greater than the distance of the moon from the earth , and ...
Page 41
... seen in con- junction at once ; that is , in the same part of the heav- ens at the same time . More than 2500 years before our era , the five great planets were in conjunction . On the 15th of September , 1186 , a similar assemblage ...
... seen in con- junction at once ; that is , in the same part of the heav- ens at the same time . More than 2500 years before our era , the five great planets were in conjunction . On the 15th of September , 1186 , a similar assemblage ...
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Common terms and phrases
action appears atmosphere attraction bodies caloric cause centrifugal force changes chemical color comet consequently copper crystal degree density diameter diminishes direction distance disturbing earth ecliptic effect electric currents electricity equal equator ether extremely Fahrenheit fluid force galvanometer glass globe gravitation greater heat hemisphere increase intensity Jupiter latitude length less light liquid longitude luminous lunar magnetic major axis mass meridian metal miles moon move nearly nodal lines nodes NOTE nutation observations optic axis orbit oscillations parallax particles passing perigee perihelion period phenomena planet plate polarized poles position produce quantity rays reflected refraction refrangible retrograde motion revolution revolving right angles rings rotation satellites secular Sir John Herschel Sir William Herschel solar spectrum sound space square stars substances sun's surface temperature terrestrial tion tourmaline transmitted tricity undulations Uranus variation varies velocity vibrations Voltaic waves wire